USPTO serial 72310327
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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MICHIGAN CITY, IN
| Class | Description | Status | First use |
|---|---|---|---|
| 026 | MECHANISM FOR CONTROLLING INDUSTRIAL MACHINERY AND BOILERS COMPRISING A DRIVE MOTOR, LIMIT SWITCHES AND REDUCTION GEARING ADAPTED TO BE MOUNTED UPON A ROTATABLE PART OF A CONTROL SYSTEM WHICH RESPONDS TO A PRIMARY CONTROL SIGNAL TO POSITION A CONTROL ELEMENT, SAID MECHANISM OPERATING IN RESPONSE TO A SECONDARY CONTROL SIGNAL TO MODIFY THE OPERATION OF SAID CONTROL ELEMENT FOR RESPONSE TO BOTH PRIMARY AND SECONDARY CONTROL SIGNALS | EXPIRED | Aug 29, 1968 |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Aug 1, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |